package servlet;

import pojo.Dept;
import service.DeptService;
import service.impl.DeptServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

//路径匹配，唯一的匹配
@WebServlet(urlPatterns = "/dept")
public class DeptServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        DeptService userService = new DeptServiceImpl();
        List<Dept> depts = deptService.findAll();

        //存储对象到作用域中
        req.setAttribute("depts", depts);
        //跳转到对应的视图显示数据
        req.getRequestDispatcher("/list.jsp").forward(req, resp);


    }
}
